Hi Lucian, Thanks for the repsonse, much appreciated. I enabled the log4j logging and re-ran the generation. I guess JRJdbcQueryExecuter is failing to execute the SQL statement for some reason. This is the contents of the log file: Any thoughts on the problem or solution? Thanks again. Adam 14:37:30,953 WARN PermissionsListProtectionDomainProvider,main:61 - A security manager has not been configured for the JVM. The protection domain set for the reports will NOT be effective. 14:38:10,501 WARN LoggerListener,http-8085-Processor21:60 - Authentication event AuthenticationSuccessEvent: jasperadmin; details: org.springframework.security.ui.WebAuthenticationDetails@fffe3f86: RemoteIpAddress: 127.0.0.1; SessionId: 9C249C97349444542E1DC613E34CBDFE 14:38:10,501 WARN LoggerListener,http-8085-Processor21:60 - Authentication event InteractiveAuthenticationSuccessEvent: jasperadmin; details: org.springframework.security.ui.WebAuthenticationDetails@fffe3f86: RemoteIpAddress: 127.0.0.1; SessionId: 9C249C97349444542E1DC613E34CBDFE 15:01:18,029 WARN LoggerListener,http-8085-Processor19:60 - Authentication event AuthenticationSuccessEvent: jasperadmin; details: org.springframework.security.ui.WebAuthenticationDetails@fffd148a: RemoteIpAddress: 127.0.0.1; SessionId: 54B413187532366BCD548B076A50DF3B 15:01:18,029 WARN LoggerListener,http-8085-Processor19:60 - Authentication event InteractiveAuthenticationSuccessEvent: jasperadmin; details: org.springframework.security.ui.WebAuthenticationDetails@fffd148a: RemoteIpAddress: 127.0.0.1; SessionId: 54B413187532366BCD548B076A50DF3B 16:24:07,742 WARN LoggerListener,http-8085-Processor24:60 - Authentication event AuthenticationSuccessEvent: jasperadmin; details: org.springframework.security.ui.WebAuthenticationDetails@fffc7f0c: RemoteIpAddress: 127.0.0.1; SessionId: 6458113D01993E6E0F4CAA10F8DE33DF 16:24:07,742 WARN LoggerListener,http-8085-Processor24:60 - Authentication event InteractiveAuthenticationSuccessEvent: jasperadmin; details: org.springframework.security.ui.WebAuthenticationDetails@fffc7f0c: RemoteIpAddress: 127.0.0.1; SessionId: 6458113D01993E6E0F4CAA10F8DE33DF 10:46:21,096 WARN PermissionsListProtectionDomainProvider,main:61 - A security manager has not been configured for the JVM. The protection domain set for the reports will NOT be effective. 10:47:31,849 WARN LoggerListener,http-8085-Processor21:60 - Authentication event AuthenticationSuccessEvent: jasperadmin; details: org.springframework.security.ui.WebAuthenticationDetails@fffed504: RemoteIpAddress: 127.0.0.1; SessionId: B85151351A8EB1F054B86E5564C55A22 10:47:31,849 WARN LoggerListener,http-8085-Processor21:60 - Authentication event InteractiveAuthenticationSuccessEvent: jasperadmin; details: org.springframework.security.ui.WebAuthenticationDetails@fffed504: RemoteIpAddress: 127.0.0.1; SessionId: B85151351A8EB1F054B86E5564C55A22 10:48:27,803 DEBUG JRJdbcQueryExecuter,quartzScheduler_Worker-1:155 - SQL query string: SELECT user.customerid,user.nickname,sessionlog.groupname,user.modified,user.firstlogin,user.lastlogin,sessionlog.role,count(sessionlog.sessionstart) as 'total sessions' from user,sessionlog where sessionlog.userid = user.id and user.account_id=62 and user.role < 5 group by user.customerid; Post Edited by atarling at 01/13/2010 15:21